13251085 has 16 divisors (see below), whose sum is σ = 16295040. Its totient is φ = 10342080.

The previous prime is 13251083. The next prime is 13251097. The reversal of 13251085 is 58015231.

13251085 = T₄ + T₅ + ... + T₄₂₉.

It is a happy number.

It is not a de Polignac number, because 13251085 - 2¹ = 13251083 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13251083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57751 + ... + 57979.

It is an arithmetic number, because the mean of its divisors is an integer number (1018440).

Almost surely, 2^13251085 is an apocalyptic number.

It is an amenable number.

13251085 is a deficient number, since it is larger than the sum of its proper divisors (3043955).

13251085 is a wasteful number, since it uses less digits than its factorization.

13251085 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 468.

The product of its (nonzero) digits is 1200, while the sum is 25.

The square root of 13251085 is about 3640.2039778012. The cubic root of 13251085 is about 236.6376333712.

The spelling of 13251085 in words is "thirteen million, two hundred fifty-one thousand, eighty-five".